<!DOCTYPE html>
<html lang="en" xmlns:v-bind="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style type="text/css">
    .textColor{
        font-weight: bold;
    }
    .textSize{
        font-size: 30px;
    }
</style>
<div id="app">
    <img v-bind:src="imageSrc">
    <div v-bind:class="[classA,classB]">类名作为一个属性值保存</div>
    <div v-bind:class="[isA?classA:classB]">三目运算符</div>
</div>
<script type="text/javascript">
    var vm=new Vue({
        el:'#app',
        data:{
            imageSrc:"images/beida.jpg",
            classA:'textColor',
            classB:'textSize'
            isA:false
        }
    });
</script>
<body>

</body>
</html>